1.
		A.	diameter	B.	radius
		C.	center	D.	circumference
		Hint
	2.	The diameter of a circle is 8. What is the radius?
		A.		B.
		C.	4	D.	16
		Hint
	3.	The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
		A.	23.6	B.	47.1
		C.	16.8	D.	35.4
		Hint
	4.	If the circumference of a circle is 56.5, find the radius to the nearest whole number.
		A.	18	B.	9
		C.	16	D.	89
		Hint
	5.	What is the area of the shaded region in the square?
		A.	18 cm2	B.	6 cm2
		C.	15 cm2	D.	27 cm2
		Hint